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                    1.4.4 最大流
            
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                    2 基础算法
            
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                    2.1 排序查找
            
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                    2.2 动态规划
            
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                    3.1 一致性模式与理论
            
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                    3.2 Raft协议
            
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                    3.4 Gossip协议
            
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                    3.5 几种一致性方案
            
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                    4 运筹及系统工程
            
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                    4.1 线性规划
            
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                    4.2 整数规划
            
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                    4.3 目标规划
            
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                    4.4 非线性规划
            
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                    4.5 动态规划
            
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                    4.6 排队论
            
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                    4.7 博弈论
            
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                    1 设计模式
            
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                    1.1 策略模式
            
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                    1.2 原型模式
            
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                    1.3 单例模式
            
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                    1.4 工厂模式
            
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                    1.5 桥接模式
            
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                    1.6 组合模式
            
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                    1.7 门面模式
            
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                    1.8 适配器模式
            
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                    1.9 装饰者模式
            
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                    1.10 享元模式
            
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                    1.11 代理模式
            
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                    1.12 中间件模式
            
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                    2 网络编程
            
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                    2.1 长连接
            
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                    2.2 MQ
            
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                    3 语言应用
            
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                    3.1 Node.js
            
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                    3.1.1 原理及构成
            
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                    3.1.2 异步机制
            
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                    3.1.3 一些核心概念
            
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                    3.1.4 web应用: koa框架
            
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                    3.1.5 koa源码分析
            
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                    3.1.6 libuv网络库应用
            
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                    3.1.7 性能调优
            
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                    3.1.8 其他: Node爬虫
            
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                    3.1.9 其他: Node编写Mapreduce
            
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                    3.2 C/C++
            
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                    3.2.1 面向对象
            
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                    3.2.2 进程通信
            
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                    3.2.3 线程管理
            
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                    3.2.4 内存管理
            
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                    3.2.5 网络编程
            
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                    3.2.6 构建工具
            
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                    3.2.7 其他: 线程池
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

            </ul>
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.4" data-path="../../engineering/ci_deplopment/">
            
                <a href="../../engineering/ci_deplopment/">
            
                    
                    三 搭建部署
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.1" data-path="../../engineering/ci_deplopment/test.html">
            
                <a href="../../engineering/ci_deplopment/test.html">
            
                    
                    3.1 测试
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.1.1" data-path="../../engineering/ci_deplopment/test/unit_testing.html">
            
                <a href="../../engineering/ci_deplopment/test/unit_testing.html">
            
                    
                    3.1.1 单元测试
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.1.2" data-path="../../engineering/ci_deplopment/test/stress_testing.html">
            
                <a href="../../engineering/ci_deplopment/test/stress_testing.html">
            
                    
                    3.1.2 压力测试
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.4.2" data-path="../../engineering/ci_deplopment/ci_readme.html">
            
                <a href="../../engineering/ci_deplopment/ci_readme.html">
            
                    
                    3.2 集成
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.2.1" data-path="../../engineering/ci_deplopment/ci/gitlab_ci.html">
            
                <a href="../../engineering/ci_deplopment/ci/gitlab_ci.html">
            
                    
                    3.2.1 GitLab CI
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.2.2" data-path="../../engineering/ci_deplopment/ci/spinnaker.html">
            
                <a href="../../engineering/ci_deplopment/ci/spinnaker.html">
            
                    
                    3.2.2 Spinnaker
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.4.3" data-path="../../engineering/ci_deplopment/build.html">
            
                <a href="../../engineering/ci_deplopment/build.html">
            
                    
                    3.3 部署
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.3.1" data-path="../../engineering/ci_deplopment/k8s/k8s.html">
            
                <a href="../../engineering/ci_deplopment/k8s/k8s.html">
            
                    
                    3.3.1 k8s
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.3.2" data-path="../../engineering/ci_deplopment/rancher/rancher.html">
            
                <a href="../../engineering/ci_deplopment/rancher/rancher.html">
            
                    
                    3.3.2 rancher
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.3.3" data-path="../../engineering/ci_deplopment/swarm/swarm.html">
            
                <a href="../../engineering/ci_deplopment/swarm/swarm.html">
            
                    
                    3.3.3 swarm
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.4.4" data-path="../../engineering/ci_deplopment/maintenance.html">
            
                <a href="../../engineering/ci_deplopment/maintenance.html">
            
                    
                    3.4 监控
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.4.1" data-path="../../engineering/ci_deplopment/monitor.html">
            
                <a href="../../engineering/ci_deplopment/monitor.html">
            
                    
                    3.4.1 容器监控
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.4.2" data-path="../../engineering/ci_deplopment/trace.html">
            
                <a href="../../engineering/ci_deplopment/trace.html">
            
                    
                    3.4.2 系统监控
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.4.3" data-path="../../engineering/ci_deplopment/app1.md">
            
                <span>
            
                    
                    3.4.2 应用监控
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.4.5" data-path="../../engineering/ha/ha.html">
            
                <a href="../../engineering/ha/ha.html">
            
                    
                    3.5 高可用
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.5.1" data-path="../../engineering/ha/client.html">
            
                <a href="../../engineering/ha/client.html">
            
                    
                    3.5.1 接入层高可用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.5.2" data-path="../../engineering/ha/service.html">
            
                <a href="../../engineering/ha/service.html">
            
                    
                    3.5.2 服务层高可用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.5.3" data-path="../../engineering/ha/share.html">
            
                <a href="../../engineering/ha/share.html">
            
                    
                    3.5.3 存储层高可用
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.4.6" data-path="../../engineering/ci_deplopment/hc/hc.html">
            
                <a href="../../engineering/ci_deplopment/hc/hc.html">
            
                    
                    3.6 高并发
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.4.6.1" data-path="../../engineering/ci_deplopment/hc/dns.html">
            
                <a href="../../engineering/ci_deplopment/hc/dns.html">
            
                    
                    3.6.1 基于DNS的负载均衡
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.6.2" data-path="../../engineering/ci_deplopment/hc/lvs.html">
            
                <a href="../../engineering/ci_deplopment/hc/lvs.html">
            
                    
                    3.6.2 基于Lvs的负载均衡
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.4.6.3" data-path="../../engineering/ci_deplopment/hc/haproxy.html">
            
                <a href="../../engineering/ci_deplopment/hc/haproxy.html">
            
                    
                    3.6.3 基于haproxy的负载均衡
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.5" >
            
                <span>
            
                    
                    四 架构模式
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.5.1" >
            
                <span>
            
                    
                    1 微服务架构设计与实践
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.5.1.1" data-path="../java/spring-cloud.html">
            
                <a href="../java/spring-cloud.html">
            
                    
                    1.1 微服务概况
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.2" data-path="../java/spring-eureka.html">
            
                <a href="../java/spring-eureka.html">
            
                    
                    1.2 服务注册及发现
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.3" data-path="../java/spring-feign.html">
            
                <a href="../java/spring-feign.html">
            
                    
                    1.3 服务调用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.4" data-path="../java/spring-zuul.html">
            
                <a href="../java/spring-zuul.html">
            
                    
                    1.4 网关及负载均衡
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.5" data-path="../java/spring-hystrix.html">
            
                <a href="../java/spring-hystrix.html">
            
                    
                    1.5 熔断、限流、扩缩容
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.6" data-path="../java/spring-config.html">
            
                <a href="../java/spring-config.html">
            
                    
                    1.6 云配置中心
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.7" data-path="../java/zipkin-tracing.html">
            
                <a href="../java/zipkin-tracing.html">
            
                    
                    1.7 分布式链路追踪
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.1.8" data-path="../java/swagger.html">
            
                <a href="../java/swagger.html">
            
                    
                    1.8 接口文档管理
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.5.2" data-path="../../domain/">
            
                <a href="../../domain/">
            
                    
                    2 领域驱动模型
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.5.2.1" data-path="../../domain/domain.html">
            
                <a href="../../domain/domain.html">
            
                    
                    2.1 领域--Domain
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.2.2" data-path="../../domain/entity.md">
            
                <span>
            
                    
                    2.2 领域实体--Entity
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.2.3" data-path="../../domain/object.html">
            
                <a href="../../domain/object.html">
            
                    
                    2.3 值对象--Value Object
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.2.4" data-path="../../domain/aggregate.html">
            
                <a href="../../domain/aggregate.html">
            
                    
                    2.4 聚合--Aggregate
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.2.5" data-path="../../domain/service.html">
            
                <a href="../../domain/service.html">
            
                    
                    2.5 服务--Services
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.2.6" data-path="../../domain/event.html">
            
                <a href="../../domain/event.html">
            
                    
                    2.6 领域事件--Event
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.2.7" data-path="../../domain/framework.html">
            
                <a href="../../domain/framework.html">
            
                    
                    2.7 几种常见的DDD架构
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.5.3" >
            
                <span>
            
                    
                    3 架构技术的演化与趋势
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.5.3.1" >
            
                <span>
            
                    
                    3.1 架构技术的发展历史及现状
            
                </span>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.3.2" >
            
                <span>
            
                    
                    3.2 Serverless无服务架构概念
            
                </span>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.3.3" >
            
                <span>
            
                    
                    3.3 ServerMesh网格服务概念
            
                </span>
            

            
        </li>
    

            </ul>
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.6" >
            
                <span>
            
                    
                    五 其他
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.6.1" data-path="../../story/talk.html">
            
                <a href="../../story/talk.html">
            
                    
                    5.1 小伙子,放松!
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    

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                                <h3 id="&#x4E00;&#x3001;&#x7B80;&#x4ECB;">&#x4E00;&#x3001;&#x7B80;&#x4ECB;</h3>
<p>&#xA0;&#xA0;&#xA0;&#xA0;&#x7EBF;&#x7A0B;&#x662F;&#x7A0B;&#x5E8F;&#x6267;&#x884C;&#x6D41;&#x7684;&#x6700;&#x5C0F;&#x5355;&#x5143;, &#x662F;&#x88AB;&#x7CFB;&#x7EDF;&#x72EC;&#x7ACB;&#x8C03;&#x5EA6;&#x548C;&#x5206;&#x6D3E;&#x7684;&#x57FA;&#x672C;&#x5355;&#x4F4D;&#xFF0C;&#x7EBF;&#x7A0B;&#x81EA;&#x5DF1;&#x4E0D;&#x62E5;&#x6709;&#x7CFB;&#x7EDF;&#x8D44;&#x6E90;&#xFF0C;&#x4F46;&#x5B83;&#x53EF;&#x4E0E;&#x540C;&#x5C5E;&#x4E00;&#x4E2A;&#x8FDB;&#x7A0B;&#x7684;&#x5176;&#x5B83;&#x7EBF;&#x7A0B;&#x5171;&#x4EAB;&#x8FDB;&#x7A0B;&#x6240;&#x62E5;&#x6709;&#x7684;&#x5168;&#x90E8;&#x8D44;&#x6E90;&#x3002;&#x4E00;&#x4E2A;&#x7EBF;&#x7A0B;&#x53EF;&#x4EE5;&#x521B;&#x5EFA;&#x548C;&#x64A4;&#x6D88;&#x53E6;&#x4E00;&#x4E2A;&#x7EBF;&#x7A0B;&#xFF0C;&#x540C;&#x4E00;&#x8FDB;&#x7A0B;&#x4E2D;&#x7684;&#x591A;&#x4E2A;&#x7EBF;&#x7A0B;&#x4E4B;&#x95F4;&#x53EF;&#x4EE5;&#x5E76;&#x53D1;&#x6267;&#x884C;&#x3002;&#x7531;&#x4E8E;&#x7EBF;&#x7A0B;&#x4E4B;&#x95F4;&#x7684;&#x76F8;&#x4E92;&#x5236;&#x7EA6;&#xFF0C;&#x81F4;&#x4F7F;&#x7EBF;&#x7A0B;&#x5728;&#x8FD0;&#x884C;&#x4E2D;&#x5448;&#x73B0;&#x51FA;&#x95F4;&#x65AD;&#x6027;&#x3002;&#x7EBF;&#x7A0B;&#x4E5F;&#x6709;&#x5C31;&#x7EEA;&#x3001;&#x963B;&#x585E;&#x548C;&#x8FD0;&#x884C;&#x4E09;&#x79CD;&#x57FA;&#x672C;&#x72B6;&#x6001;&#x3002;&#x5C31;&#x7EEA;&#x72B6;&#x6001;&#x662F;&#x6307;&#x7EBF;&#x7A0B;&#x5177;&#x5907;&#x8FD0;&#x884C;&#x7684;&#x6240;&#x6709;&#x6761;&#x4EF6;&#xFF0C;&#x903B;&#x8F91;&#x4E0A;&#x53EF;&#x4EE5;&#x8FD0;&#x884C;&#xFF0C;&#x5728;&#x7B49;&#x5F85;&#x5904;&#x7406;&#x673A;&#xFF1B;&#x8FD0;&#x884C;&#x72B6;&#x6001;&#x662F;&#x6307;&#x7EBF;&#x7A0B;&#x5360;&#x6709;&#x5904;&#x7406;&#x673A;&#x6B63;&#x5728;&#x8FD0;&#x884C;&#xFF1B;&#x963B;&#x585E;&#x72B6;&#x6001;&#x662F;&#x6307;&#x7EBF;&#x7A0B;&#x5728;&#x7B49;&#x5F85;&#x4E00;&#x4E2A;&#x4E8B;&#x4EF6;&#x3002;</p>
<ul>
<li>1.1 Linux&#x4E0B;&#x5E38;&#x7528;&#x7EBF;&#x7A0B;&#x51FD;&#x6570;&#x539F;&#x578B;</li>
</ul>
<pre><code class="lang-c++"><span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;pthread.h&gt;</span></span>

<span class="hljs-comment">/** 1&#x3001;&#x521D;&#x59CB;&#x5316;&#x6761;&#x4EF6;&#x53D8;&#x91CF;
 * @params{pthread_cond_t}:  cv &#x6307;&#x5411;&#x7ED3;&#x6784;pthread_cond_t&#x7684;&#x6307;&#x9488;
 * @params{pthread_condattr_t}:  cattr &#x6307;&#x5411;&#x7ED3;&#x6784;pthread_condattr_t&#x7684;&#x6307;&#x9488;
 */</span>
<span class="hljs-function"><span class="hljs-keyword">int</span> <span class="hljs-title">pthread_cond_init</span><span class="hljs-params">(pthread_cond_t * cv, <span class="hljs-keyword">const</span> pthread_condattr_t * cattr)</span></span>;

<span class="hljs-comment">/** 2&#x3001;&#x521D;&#x59CB;&#x5316;&#x4E92;&#x65A5;&#x9501;
 * @params{pthread_mutex_t}:  restrict &#x7531;&#x7CFB;&#x7EDF;&#x5206;&#x914D;&#x7684;&#x5C5E;&#x6027;&#x5BF9;&#x8C61;
 * @params{pthread_mutexattr_t}:  attr &#x6240;&#x5C5E;&#x6027;
    ==&gt; PTHREAD_PROCESS_PRIVATE: &#x4E92;&#x65A5;
    ==&gt; PTHREAD_PROCESS_SHARED: &#x5171;&#x4EAB;
 */</span>
<span class="hljs-function"><span class="hljs-keyword">int</span> <span class="hljs-title">pthread_mutex_init</span><span class="hljs-params">(pthread_mutex_t * <span class="hljs-keyword">restrict</span> mutex,<span class="hljs-keyword">const</span> pthread_mutexattr_t * <span class="hljs-keyword">restrict</span> attr)</span></span>;

<span class="hljs-comment">/** 3&#x3001;&#x7EBF;&#x7A0B;&#x95F4;&#x540C;&#x6B65;
 * @params{pthread_t}:  thread &#x7EBF;&#x7A0B;ID
 * @params{void}:  retval &#x7528;&#x6237;&#x5B9A;&#x4E49;&#x7684;&#x6307;&#x9488;&#xFF0C;&#x7528;&#x6765;&#x5B58;&#x50A8;&#x88AB;&#x7B49;&#x5F85;&#x7EBF;&#x7A0B;&#x7684;&#x8FD4;&#x56DE;&#x503C;
 */</span>
<span class="hljs-function"><span class="hljs-keyword">int</span> <span class="hljs-title">pthread_join</span><span class="hljs-params">(pthread_t thread, <span class="hljs-keyword">void</span> ** retval)</span></span>;

<span class="hljs-comment">/** 4&#x3001;&#x8BBE;&#x7F6E;&#x7EBF;&#x7A0B;&#x5806;&#x6808;&#x5927;&#x5C0F;
 * @params{pthread_attr_t}:  attr &#x7EBF;&#x7A0B;&#x5C5E;&#x6027;
 * @params{size_t}:  stacksize &#x8BBE;&#x7F6E;&#x7684;&#x5806;&#x6808;&#x5927;&#x5C0F;
 */</span>
<span class="hljs-function"><span class="hljs-keyword">int</span> <span class="hljs-title">pthread_attr_setstacksize</span><span class="hljs-params">(pthread_attr_t * attr, size_t stacksize)</span></span>;

<span class="hljs-comment">/** 5&#x3001;&#x5206;&#x79BB;&#x7EBF;&#x7A0B;
 * @params{pthread_attr_t}:  attr &#x7EBF;&#x7A0B;&#x5C5E;&#x6027;
 * @params{int}:  detachstate &#x8BBE;&#x7F6E;&#x503C;
    ==&gt; PTHREAD_CREATE_DETACHED: &#x5206;&#x79BB;
    ==&gt; PTHREAD_CREATE_JOINABLE: &#x975E;&#x5206;&#x79BB;
 */</span>
<span class="hljs-function"><span class="hljs-keyword">int</span> <span class="hljs-title">pthread_attr_setdetachstate</span><span class="hljs-params">(pthread_attr_t * attr, <span class="hljs-keyword">int</span> detachstate)</span></span>;

<span class="hljs-comment">/** 6&#x3001;&#x4E92;&#x65A5;&#x9501;&#x4E0A;&#x9501;
 * @params{pthread_mutex_t}:  mutex &#x7531;&#x7CFB;&#x7EDF;&#x5206;&#x914D;&#x7684;&#x5C5E;&#x6027;&#x5BF9;&#x8C61;
 */</span>
<span class="hljs-function"><span class="hljs-keyword">int</span> <span class="hljs-title">pthread_mutex_lock</span><span class="hljs-params">(pthread_mutex_t * mutex)</span></span>;

<span class="hljs-comment">/** 7&#x3001;&#x4E92;&#x65A5;&#x9501;&#x89E3;&#x9501;
 * @params{pthread_mutex_t}:  mutex &#x7531;&#x7CFB;&#x7EDF;&#x5206;&#x914D;&#x7684;&#x5C5E;&#x6027;&#x5BF9;&#x8C61;
 */</span>
<span class="hljs-function"><span class="hljs-keyword">int</span> <span class="hljs-title">pthread_mutex_unlock</span><span class="hljs-params">(pthread_mutex_t *mutex)</span></span>;


<span class="hljs-comment">/** 8&#x3001;&#x7B49;&#x5F85;
 * @params{pthread_cond_t}:  cond &#x6307;&#x5411;&#x7ED3;&#x6784;pthread_cond_t&#x7684;&#x6307;&#x9488;
 * @params{pthread_mutex_t}:  mutex &#x7531;&#x7CFB;&#x7EDF;&#x5206;&#x914D;&#x7684;&#x5C5E;&#x6027;&#x5BF9;&#x8C61;
 */</span>
<span class="hljs-function"><span class="hljs-keyword">int</span> <span class="hljs-title">pthread_cond_wait</span><span class="hljs-params">(pthread_cond_t *cond, pthread_mutex_t * mutex)</span></span>;

<span class="hljs-comment">/** 9&#x3001;&#x4E3B;&#x7EBF;&#x7A0B;&#x4E2D;&#x5904;&#x7406;&#x4FE1;&#x53F7;
 * @params{int}:  &#x7ED3;&#x679C;&#x96C6;
    ==&gt; SIG_BLOCK: &#x7ED3;&#x679C;&#x96C6;&#x662F;&#x5F53;&#x524D;&#x96C6;&#x5408;&#x53C2;&#x6570;&#x96C6;&#x7684;&#x5E76;&#x96C6;
    ==&gt; SIG_UNBLOCK: &#x7ED3;&#x679C;&#x96C6;&#x662F;&#x5F53;&#x524D;&#x96C6;&#x5408;&#x53C2;&#x6570;&#x96C6;&#x7684;&#x5DEE;&#x96C6;
    ==&gt; SIG_SETMASK: &#x7ED3;&#x679C;&#x96C6;&#x662F;&#x7531;&#x53C2;&#x6570;&#x96C6;&#x6307;&#x5411;&#x7684;&#x96C6;
 * @params{sigset_t}:  set &#x6307;&#x5411;&#x7ED3;&#x6784;pthread_condattr_t&#x7684;&#x6307;&#x9488;
 * @params{sigset_t}:  oset &#x6307;&#x5411;&#x7ED3;&#x6784;pthread_condattr_t&#x7684;&#x6307;&#x9488;
 */</span>
<span class="hljs-function"><span class="hljs-keyword">int</span> <span class="hljs-title">pthread_sigmask</span><span class="hljs-params">(<span class="hljs-keyword">int</span> how, <span class="hljs-keyword">const</span> sigset_t * <span class="hljs-built_in">set</span>, sigset_t * oset)</span></span>;
</code></pre>
<hr>
<h3 id="&#x4E8C;&#x3001;&#x5E94;&#x7528;">&#x4E8C;&#x3001;&#x5E94;&#x7528;</h3>
<p>&#xA0;&#xA0;&#xA0;&#xA0;&#x5047;&#x8BBE;&#x6709;&#x5982;&#x4E0B;&#x573A;&#x666F;&#xFF1A;&#x591A;&#x7EBF;&#x7A0B;&#x73AF;&#x5883;&#x4E2D;&#x9700;&#x8981;&#x5B9E;&#x73B0;&#x4E00;&#x5171;&#x4EAB;&#x8BA1;&#x6570;&#x5668;&#xFF0C;&#x7EBF;&#x7A0B;&#x4E4B;&#x95F4;&#x53EA;&#x80FD;&#x4E92;&#x65A5;&#x64CD;&#x4F5C;&#xFF0C;&#x5982;&#x4F55;&#x5B9E;&#x73B0;&#xFF1F;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x591A;&#x4E2A;&#x7EBF;&#x7A0B;&#x52A0;&#x9501;&#x6216;&#x53EA;&#x5728;&#x4E3B;&#x7EBF;&#x7A0B;&#x7684;&#x65B9;&#x5F0F;&#x5B9E;&#x73B0;&#xFF0C;&#x4EE5;&#x4E0B;&#x4E3A;&#x4E3B;&#x7EBF;&#x7A0B;&#x65B9;&#x5F0F;:</p>
<ul>
<li>2.1 &#x57FA;&#x7C7B;&#x5934;&#x6587;&#x4EF6;</li>
</ul>
<pre><code class="lang-c++"><span class="hljs-meta">#<span class="hljs-meta-keyword">ifndef</span> __SRC_UTILS_THREAD_H__</span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">define</span> __SRC_UTILS_THREAD_H__</span>

<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;deque&gt;</span></span>

<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;stdint.h&gt;</span></span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string">&lt;pthread.h&gt;</span></span>

<span class="hljs-keyword">namespace</span> Utils {

<span class="hljs-comment">/* &#x57FA;&#x672C;&#x7EBF;&#x7A0B; */</span>
<span class="hljs-keyword">class</span> IThread {

  <span class="hljs-keyword">public</span>:

    IThread();

    <span class="hljs-keyword">virtual</span> ~IThread();

    <span class="hljs-comment">// &#x5F00;&#x542F;&#x7684;&#x56DE;&#x8C03;</span>
    <span class="hljs-function"><span class="hljs-keyword">virtual</span> <span class="hljs-keyword">bool</span> <span class="hljs-title">onStart</span><span class="hljs-params">()</span> </span>= <span class="hljs-number">0</span>;

    <span class="hljs-comment">// &#x5904;&#x7406;&#x4E1A;&#x52A1;</span>
    <span class="hljs-function"><span class="hljs-keyword">virtual</span> <span class="hljs-keyword">void</span> <span class="hljs-title">onExecute</span><span class="hljs-params">()</span> </span>= <span class="hljs-number">0</span>;

    <span class="hljs-comment">// &#x505C;&#x6B62;&#x7684;&#x56DE;&#x8C03;</span>
    <span class="hljs-function"><span class="hljs-keyword">virtual</span> <span class="hljs-keyword">void</span> <span class="hljs-title">onStop</span><span class="hljs-params">()</span> </span>= <span class="hljs-number">0</span>;

  <span class="hljs-keyword">public</span>:
    <span class="hljs-comment">// &#x5F00;&#x542F;</span>
    <span class="hljs-function"><span class="hljs-keyword">bool</span> <span class="hljs-title">start</span><span class="hljs-params">()</span></span>;

    <span class="hljs-comment">// &#x505C;&#x6B62;</span>
    <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">stop</span><span class="hljs-params">()</span></span>;

    <span class="hljs-comment">// &#x68C0;&#x67E5;</span>
    <span class="hljs-function"><span class="hljs-keyword">static</span> <span class="hljs-keyword">bool</span> <span class="hljs-title">check</span><span class="hljs-params">(pthread_t id)</span></span>;

    <span class="hljs-comment">// &#x83B7;&#x53D6;ID</span>
    <span class="hljs-keyword">pthread_t</span> id() <span class="hljs-keyword">const</span> { <span class="hljs-keyword">return</span> m_ThreadID; }

    <span class="hljs-comment">// &#x8FD0;&#x884C;&#x4E2D;</span>
    <span class="hljs-function"><span class="hljs-keyword">bool</span> <span class="hljs-title">isRunning</span><span class="hljs-params">()</span> <span class="hljs-keyword">const</span> </span>{ <span class="hljs-keyword">return</span> m_Status == eRunning; }

    <span class="hljs-comment">// &#x5206;&#x79BB;</span>
    <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">setDetach</span><span class="hljs-params">()</span> </span>{ m_IsDetach = <span class="hljs-literal">true</span>; }

    <span class="hljs-comment">// &#x8BBE;&#x7F6E;&#x6808;&#x5927;&#x5C0F;</span>
    <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">setStackSize</span><span class="hljs-params">(uint32_t size)</span> </span>{ m_StackSize = size; }

  <span class="hljs-keyword">private</span>:
    <span class="hljs-keyword">enum</span> {
      eReady = <span class="hljs-number">0</span>,
      eRunning = <span class="hljs-number">1</span>,
      eStoping = <span class="hljs-number">2</span>,
      eStoped = <span class="hljs-number">3</span>,
    };

    <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">notify</span><span class="hljs-params">()</span></span>;

    <span class="hljs-function"><span class="hljs-keyword">static</span> <span class="hljs-keyword">void</span> * <span class="hljs-title">threadfunc</span><span class="hljs-params">(<span class="hljs-keyword">void</span> * arg)</span></span>;

  <span class="hljs-keyword">private</span>:

    <span class="hljs-keyword">bool</span> m_IsDetach;
    <span class="hljs-keyword">uint32_t</span> m_StackSize;

    <span class="hljs-keyword">int8_t</span> m_Status;
    <span class="hljs-keyword">pthread_t</span> m_ThreadID;

    <span class="hljs-keyword">pthread_cond_t</span> m_CtrlCond;
    <span class="hljs-keyword">pthread_mutex_t</span> m_CtrlLock;

};

<span class="hljs-meta">#<span class="hljs-meta-keyword">if</span> 0</span>

<span class="hljs-meta">#<span class="hljs-meta-keyword">endif</span></span>

}

<span class="hljs-meta">#<span class="hljs-meta-keyword">endif</span></span>
</code></pre>
<ul>
<li>2.2 &#x57FA;&#x7C7B;&#x5B9E;&#x73B0;</li>
</ul>
<pre><code class="lang-c++">#include &lt;vector&gt;

#include &lt;errno.h&gt;
#include &lt;signal.h&gt;

#include &quot;time.h&quot;
#include &quot;thread.h&quot;
#include &quot;timeutils.h&quot;

namespace Utils {

IThread::IThread() {
  m_Status = eReady;
  m_IsDetach = false;
  m_StackSize = 0;
  m_ThreadID = 0;
  pthread_cond_init(&amp;m_CtrlCond, NULL);
  pthread_mutex_init(&amp;m_CtrlLock, NULL);
}

IThread::~IThread() {
  if (!m_IsDetach) {
    pthread_join(m_ThreadID, NULL);
  }

  pthread_cond_destroy(&amp;m_CtrlCond);
  pthread_mutex_destroy(&amp;m_CtrlLock);
}

bool IThread::start() {

  int32_t rc = 0;
  pthread_attr_t attr;

  pthread_attr_init(&amp;attr);

  if (m_StackSize &gt; 0) {
    pthread_attr_setstacksize(&amp;attr, m_StackSize);
  }

  if (m_IsDetach) {
    pthread_attr_setdetachstate(&amp;attr, PTHREAD_CREATE_DETACHED);
  }

  m_Status = eRunning;

  rc = pthread_create(&amp;m_ThreadID, &amp;attr, threadfunc, this);  
  pthread_attr_destroy(&amp;attr);

  return (rc == 0);
}

void IThread::stop() {
  pthread_mutex_lock(&amp;m_CtrlLock);

  if (m_Status == eReady) {
    m_Status = eStoped;
  } else if (m_Status == eRunning) {
    m_Status = eStoping;
  }

  while (m_Status != eStoped &amp;&amp; pthread_self() != m_ThreadID) {
    pthread_cond_wait(&amp;m_CtrlCond, &amp;m_CtrlLock);
  }

  pthread_mutex_unlock(&amp;m_CtrlLock);
}

void IThread::notify() {
  pthread_mutex_lock(&amp;m_CtrlLock);

  m_Status = eStoped;
  pthread_cond_signal(&amp;m_CtrlCond);

  pthread_mutex_unlock(&amp;m_CtrlLock);
}

bool IThread::check(pthread_t id) {
  int32_t rc = pthread_kill(id, 0);
  return (rc != ESRCH &amp;&amp; rc != EINVAL);
}

void * IThread::threadfunc(void * arg) {

  IThread * thread = (IThread *)arg;

  sigset_t mask;
  sigfillset(&amp;mask);


  pthread_sigmask(SIG_SETMASK, &amp;mask, NULL);

  // &#x7EBF;&#x7A0B;&#x5F00;&#x59CB;
  if (thread-&gt;onStart()) {
    while (thread-&gt;isRunning()) {
      thread-&gt;onExecute();
    }
  }

  // &#x7EBF;&#x7A0B;&#x505C;&#x6B62;&#x4E86;
  thread-&gt;onStop();

  // &#x901A;&#x77E5;&#x8C03;&#x7528;&#x8005;, &#x7EBF;&#x7A0B;&#x5DF2;&#x7ECF;&#x505C;&#x6B62;&#x4E86;
  thread-&gt;notify();

  return NULL;
}

}
</code></pre>
<ul>
<li>2.3 &#x5B50;&#x7C7B;&#x5B9E;&#x73B0;</li>
</ul>
<pre><code class="lang-js">/* &#x6D4B;&#x8BD5;Thread Demo */
class DemoIThread : public Utils::IThread {

  public:
    DemoIThread(uint8_t count) : m_Count(count) {
      pthread_mutex_init(&amp;m_Lock, NULL);
    }

    ~DemoIThread() {
      pthread_mutex_destroy(&amp;m_Lock);
    }

    void process() {

      pthread_mutex_lock(&amp;m_Lock);
      while (--m_Count &gt;= 0) {
        Utils::TimeUtils::sleep(1000);
        printf(&quot;count now is : %d\n&quot;, m_Count);
      }

      pthread_mutex_unlock(&amp;m_Lock);
    }

  public:
    bool onStart() {
      if (m_Count &gt;= 0) {
        return true;
      }

      return false;
    }

    void onExecute() {
      this-&gt;process();
    }

    void onStop(){
      m_Count = 0;
    }

  private:
    int m_Count;
    pthread_mutex_t m_Lock;
    std::vector&lt;DemoIThread *&gt; m_DemoIThread;
};
</code></pre>
<ul>
<li>2.4 &#x8FD0;&#x884C;&#x6D4B;&#x8BD5;</li>
</ul>
<pre><code class="lang-js">int main() {
  Utils::IThread * thread1 = <span class="hljs-keyword">new</span> DemoIThread(<span class="hljs-number">10</span>);
  Utils::IThread * thread2 = <span class="hljs-keyword">new</span> DemoIThread(<span class="hljs-number">10</span>);

  printf(<span class="hljs-string">&quot;####### Thread start #######\n&quot;</span>);

  thread1-&gt;start();
  thread2-&gt;start();

  printf(<span class="hljs-string">&quot;####### do otherwise #######\n&quot;</span>);

  thread1-&gt;stop();
  thread2-&gt;stop();

  printf(<span class="hljs-string">&quot;####### Thread stop #######\n&quot;</span>);

}
</code></pre>
<p>&#x8FD0;&#x884C;&#x7ED3;&#x679C;:</p>
<pre><code class="lang-text">Dreamboad:libuv-service helloworld$ ./a.out
####### Thread start #######
####### do otherwise #######
count now is : 9
count now is : 8
count now is : 7
count now is : 6
count now is : 5
count now is : 4
count now is : 3
count now is : 2
count now is : 1
count now is : 0
####### Thread stop #######
Dreamboad:libuv-service helloworld$
</code></pre>
<ul>
<li>2.4 &#x603B;&#x7ED3;<pre><code class="lang-text">1&#x3001;&#x7EBF;&#x7A0B;&#x662F;CPU&#x6267;&#x884C;&#x7684;&#x57FA;&#x672C;&#x5355;&#x5143;&#xFF0C;&#x53EF;&#x4EE5;&#x5171;&#x4EAB;&#x8FDB;&#x7A0B;&#x5185;&#x5B58;&#x5730;&#x5740;&#x7A7A;&#x95F4;&#xFF0C;&#x975E;&#x5E38;&#x9002;&#x5408;&#x5F02;&#x6B65;&#x7F16;&#x7A0B;
2&#x3001;&#x672C;&#x8282;&#x9047;&#x5230;&#x4E86;`pure virtual function call`&#x7EAF;&#x865A;&#x51FD;&#x6570;&#x9519;&#x8BEF;, &#x901A;&#x8FC7;&#x53D8;&#x6362;&#x57FA;&#x7C7B;&#x4E0E;&#x6D3E;&#x751F;&#x7C7B;&#x7684;&#x5F15;&#x7528;&#x5173;&#x7CFB;&#x89E3;&#x51B3;&#x3002;
</code></pre>
</li>
</ul>
<hr>
<h3 id="&#x4E09;&#x3001;&#x6E90;&#x7801;">&#x4E09;&#x3001;&#x6E90;&#x7801;</h3>
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<li><a href="https://github.com/TIME-GATE/libuv-service/blob/master/src/utils/thread.cc" target="_blank">1&#x3001;&#x7EBF;&#x7A0B;&#x7BA1;&#x7406;&#x6E90;&#x7801;</a> </li>
</ul>
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